It also uses its new powers to bully the crap out other pokemon, im sure
So long as you have a means of reliably returning lands from your graveyard into play as well as sacrificing lands as needed, you can make Glacial Chasm the bane of your opponents' existence
I thought about doing the same for every other color, but Im too lazy to do that, so you can just download the image and use the eye-dropper tool in Photoshop to grab it
In the Heart Gold & Soul Silver set, the Lugia LEGEND and Ho-Oh LEGEND only surrendered one Prize Card, but subsequent LEGENDs saw two Pokmon on one set of cards, which therefore surrendered two Prize Cards
You can only use each effect of "Mannadium Breakheart" once per turn
Those would be the three Eldrazi Titans: Emrakul, the World Anew, Ulamog, the Defiler, and Kozilek, the Broken Reality